I have tried very hard to improve my English. But by no means __________ with my progress.
Don’t promise anything ______ you are one hundred percent sure.
Dogs have a very good ______ of smell and are often used to search for survivors in an earthquake.
American Indian ______ about five percent of the U.S. population.
There are plenty of jobs ______ in the western part of the country.
–I’d like some more cheese. –Sorry, there’s ______ left.